43124024421 has 12 divisors (see below), whose sum is σ = 62672408448. Its totient is φ = 28572972264.

The previous prime is 43124024417. The next prime is 43124024431. The reversal of 43124024421 is 12442042134.

It is not a de Polignac number, because 43124024421 - 2² = 43124024417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43124024431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14696565 + ... + 14699498.

It is an arithmetic number, because the mean of its divisors is an integer number (5222700704).

Almost surely, 2^43124024421 is an apocalyptic number.

It is an amenable number.

43124024421 is a deficient number, since it is larger than the sum of its proper divisors (19548384027).

43124024421 is a wasteful number, since it uses less digits than its factorization.

43124024421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29396232 (or 29396229 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 43124024421 its reverse (12442042134), we get a palindrome (55566066555).

The spelling of 43124024421 in words is "forty-three billion, one hundred twenty-four million, twenty-four thousand, four hundred twenty-one".